The decision on the investment project is to analyze the feasibility and rationality of the project plan from multiple angles. However, due to the limitations of the actual project investment decision-making, this paper proposes a group decision making method based multifunctional intuitively fuzzyVIKOR interval sets. Firstly, according to the established investment decision-making model, the first round of preliminary candidate project schemes is selected. According to the definition of interval intuitionistic fuzzy sets and the traditional VIKOR method, established the research method of this article, and the project investment decision-making model based on VIKOR interval intuitionistic fuzzy sets is established. Finally, the project schemes are sorted according to the closeness degree of schemes. The results show that when sorting each candidate by Qi value, A4 > A3 > A2 > A1 can be obtained. Because Q4 = 0, Q3 = 0.31, the condition q3-q4 > 0.25 is satisfied. It is concluded that the method can not only meet the needs of actual decision-making, but also has strong operability and practicability. The research results have reference value and guiding significance for project investment decision-making, and can promote the sustainable development of the project.

中文翻译：

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基于VIKOR区间直觉模糊集的项目投资决策

投资项目的决定是从多个角度分析项目计划的可行性和合理性。但是，由于实际项目投资决策的局限性，本文提出了一种基于多功能直观模糊VIKOR区间集的群体决策方法。首先，根据已建立的投资决策模型，选择第一轮初步候选项目方案。根据区间直觉模糊集的定义和传统的VIKOR方法，建立了本文的研究方法，建立了基于VIKOR区间直觉模糊集的项目投资决策模型。最后，根据方案的接近程度对方案进行分类。结果表明，按Qi值对每个候选项进行排序时，可以获得A4> A3> A2> A1。因为Q4 = 0，Q3 = 0.31，所以满足条件q3-q4> 0.25。结论表明，该方法不仅可以满足实际决策的需要，而且具有很强的可操作性和实用性。研究结果对项目投资决策具有参考价值和指导意义，可以促进项目的可持续发展。